Extracting placeholder information from Webkit to Blimp

content/browser/renderer_host/render_widget_host_view_base.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/render_widget_host_view_base.h"
 
 #include "base/logging.h"
 #include "build/build_config.h"
 #include "content/browser/accessibility/browser_accessibility_manager.h"
 #include "content/browser/gpu/gpu_data_manager_impl.h"
 #include "content/browser/renderer_host/input/synthetic_gesture_target_base.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_delegate.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_view_base_observer.h"
 #include "content/browser/renderer_host/text_input_manager.h"
 #include "content/common/content_switches_internal.h"
+#include "content/common/view_messages.h"
 #include "content/public/browser/render_widget_host_view_frame_subscriber.h"
+#include "content/public/common/form_field_data.h"
 #include "ui/display/display.h"
 #include "ui/display/screen.h"
 #include "ui/gfx/geometry/point_conversions.h"
 #include "ui/gfx/geometry/size_conversions.h"
 #include "ui/gfx/geometry/size_f.h"
 
 namespace content {
 
 namespace {
 
 // How many microseconds apart input events should be flushed.
 const int kFlushInputRateInUs = 16666;
 
+// For tracking requests for form field data.
+int next_request_id_ = 0;
 }
 
 RenderWidgetHostViewBase::RenderWidgetHostViewBase()
     : is_fullscreen_(false),
       popup_type_(blink::WebPopupTypeNone),
       background_color_(SK_ColorWHITE),
       mouse_locked_(false),
       showing_context_menu_(false),
 #if !defined(USE_AURA)
       selection_text_offset_(0),
@@ skipping 108 matching lines @@
 
 gfx::Size RenderWidgetHostViewBase::GetRequestedRendererSize() const {
   return GetViewBounds().size();
 }
 
 ui::TextInputClient* RenderWidgetHostViewBase::GetTextInputClient() {
   NOTREACHED();
   return NULL;
 }
 
+void RenderWidgetHostViewBase::OnFocusedFormFieldDataReply(
+    int request_id,
+    const FormFieldData& field_data) {
+  DCHECK(extract_form_field_data_callbacks_.find(request_id) !=
+         extract_form_field_data_callbacks_.end());
+  extract_form_field_data_callbacks_[request_id].Run(field_data);

[David Trainor- moved to gerrit, 2016/11/03 04:25:49]

What if we have callbacks when the RWHV dies?  Should we just trigger all
callbacks with an invalid result set?

+  extract_form_field_data_callbacks_.erase(request_id);
+}
+
+void RenderWidgetHostViewBase::GetFocusedFormFieldData(
+    ExtractFormFieldDataCallback& reply) {
+  if (!GetRenderWidgetHost()) {
+    reply.Run(FormFieldData());
+    return;
+  }
+
+  int request_id = ++next_request_id_;
+  extract_form_field_data_callbacks_[request_id] = reply;
+  GetRenderWidgetHost()->Send(new ViewMsg_GetFocusedFormFieldData(
+      GetRenderWidgetHost()->GetRoutingID(), request_id));
+}
+
 bool RenderWidgetHostViewBase::IsShowingContextMenu() const {
   return showing_context_menu_;
 }
 
 void RenderWidgetHostViewBase::SetShowingContextMenu(bool showing) {
   DCHECK_NE(showing_context_menu_, showing);
   showing_context_menu_ = showing;
 }
 
 base::string16 RenderWidgetHostViewBase::GetSelectedText() {
@@ skipping 352 matching lines @@
 
 bool RenderWidgetHostViewBase::IsChildFrameForTesting() const {
   return false;
 }
 
 cc::SurfaceId RenderWidgetHostViewBase::SurfaceIdForTesting() const {
   return cc::SurfaceId();
 }
 
 }  // namespace content